CVE-2023-47440
JavaScript vulnerability analysis and mitigation

Overview

Gladys Assistant v4.27.0 and prior versions were found to be vulnerable to Directory Traversal. This vulnerability (CVE-2023-47440) was discovered as an incomplete patch of a previous vulnerability (CVE-2023-43256), allowing authenticated attackers to extract sensitive files from the host machine. The issue was reported by So Sakaguchi from GMO Cybersecurity by Ierae, Inc. (Moku Blog).

Technical details

The vulnerability is classified as CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'). The issue received a CVSS v3.1 Base Score of 6.5 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, indicating network accessibility, low attack complexity, and required low privileges (NVD).

Impact

The vulnerability allows authenticated attackers to extract sensitive files from the host machine, potentially leading to unauthorized access to confidential information (NVD).

Mitigation and workarounds

The vulnerability has been fixed in Gladys Assistant version 4.30.0. Users are advised to upgrade to this version or later to mitigate the security risk. The fix involved updating the HLS chunk regex pattern (GitHub Patch).

Additional resources


SourceThis report was generated using AI

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